US Bridges

Csah 9 over Red Eye River

PoorPosted for load

Wadena County, Minnesota · 2.9 MI E of JCT CSAH22 · Structure no. 80504

Built
1965
60 years old
Condition
Poor
inspected August 2024
Type
Slab
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
325
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Red Eye River is a wood or timber slab carrying Csah 9 over Red Eye River in Wadena County, Minnesota. It was built in 1965, so it is 60 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 325 vehicles a day, projected to reach 310 by 2041. The structure is 62 ft (18.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 9
CrossesRed Eye River
Location2.9 MI E of JCT CSAH22
RouteCounty Highway 9
Coordinates46.57233, -94.94749
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating19.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length62 ft (18.9 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2021)
Projected traffic310 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 9 over Red Eye River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Csah 9 over Red Eye River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Csah 9 over Red Eye River carry?

About 325 vehicles per day (2021 count).

How long is Csah 9 over Red Eye River?

The structure is 62 ft (18.9 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Csah 9 over Red Eye River?

It is owned by the County Highway Agency.